Fixes https://github.com/octobercms/install/issues/14 - clearing the cache softly now
Fixes form widget saveData bug
Where nested checkboxes values get set at root level
Use shorter index
Update readme
Add nullables
Fixes #54 - Make sqlite db ref rewritable
Add extra hooks for before ajax updates
Minor
Minor rollback: We dont actually need to pass the context to beforeUpdate()
Tighten up events